A strange unknown creature that is sent to fight off the evil minions from inside you
Allright were outnumbered, SEND IN THE YONK!!!!!
by theyonkmaster April 01, 2011
A period of time equivalent to three weeks. Based on the fact that there is a term for one week, two weeks (a fortnight) and almost precisely four weeks (a month).

Because events are rarely important enough to know that they are approximately three weeks away, the term is more usually used informally as a way of exaggerating a length of time.
"The tournament starts in a yonk, so we'd best start practising."

In its more informal usage: "Ah, the project's not in for yonks, yet, so don't worry about it."
by Iball February 02, 2009
a bird which long ago extinct from the face of the earth , aka the 'dodo'.
The only species of Yonk left is found in a methodist school in Singapore, it likes coconuts, but only those found on the ground, not those on the tree, which has a high risk of hitting Yonk's skull.
by yonk August 24, 2003
A member of the Irish Travellers who funds his or her lifestyle through fraud, mostly committed against the elderly. They typically offer to do home improvement work at an attractive price, then either run off with the money, or if they actually do the work, do a substandard job and then demand more money. Female yonks enjoy five finger discounts at department stores, attempting to exchange the stolen goods for cash.

Then they all go out for Sushi with their ill gained loot, parading their "lackeen" toddler daughters around like Jon Benet Ramsey.
yonk: "I noticed your drive-way needs paving. I was doing work up the street and have plenty left over for another job. I'll only charge you forty dollars..."

you: Fuck off you yonk bastard!
by antraeindubh August 24, 2006
A period of exactly NINE (9) years
I was born 'bout 5 yonks ago
by yerodretep December 23, 2004
a person who swears on his/her life that they are from Yonkers, New York, when in actuality they are from Baltimore, Maryland.
"Yonk" is really from Baltimore
by Nathalie November 25, 2003
all though originally meaning "a long time" it has been loosely evolved to also mean "a lot of something" or "many"
I have yonks of work I gotta' catch up on...

Person A: Have you ever had a latte?
Person B: yeah, yonks...

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